package com.hifar.demo3;

import java.io.InputStream;

import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;

public class LargeS1000DParser {
    public void parseLargeFile(InputStream xmlStream) {
        try {
            XMLInputFactory factory = XMLInputFactory.newInstance();
            XMLStreamReader reader = factory.createXMLStreamReader(xmlStream);
            
            while (reader.hasNext()) {
                int event = reader.next();
                
                switch (event) {
                    case XMLStreamReader.START_ELEMENT:
                        if ("procedureStep".equals(reader.getLocalName())) {
                            // 处理步骤元素
                        }
                        break;
                    // 其他事件处理...
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}